All DENTSPLY Professional medical devices sold The Cavitron JET Plus unit works with Cavitron inserts as a system, and was designed and tested to deliver Open the manual shutoff valve on the dental office 30kHz Cavitron Ultrasonic Insert be replaced to prevent reduced water flow to the Cavitron JET Plus system. A 10pack of replacement filters is available by ordering Part Number from your local DENTSPLY Professional distributor. Open the manual shutoff valve on the dental office water supply system.